aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/python/google-auth/py3/tests/test_credentials.py
blob: d64f3abb50650a1e95b3b9d86a01509bfb82b7ee (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
# Copyright 2016 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import datetime

import pytest  # type: ignore

from google.auth import _helpers
from google.auth import credentials


class CredentialsImpl(credentials.Credentials):
    def refresh(self, request):
        self.token = request

    def with_quota_project(self, quota_project_id):
        raise NotImplementedError()


class CredentialsImplWithMetrics(credentials.Credentials):
    def refresh(self, request):
        self.token = request

    def _metric_header_for_usage(self):
        return "foo"


def test_credentials_constructor():
    credentials = CredentialsImpl()
    assert not credentials.token
    assert not credentials.expiry
    assert not credentials.expired
    assert not credentials.valid
    assert credentials.universe_domain == "googleapis.com"


def test_expired_and_valid():
    credentials = CredentialsImpl()
    credentials.token = "token"

    assert credentials.valid
    assert not credentials.expired

    # Set the expiration to one second more than now plus the clock skew
    # accomodation. These credentials should be valid.
    credentials.expiry = (
        _helpers.utcnow() + _helpers.REFRESH_THRESHOLD + datetime.timedelta(seconds=1)
    )

    assert credentials.valid
    assert not credentials.expired

    # Set the credentials expiration to now. Because of the clock skew
    # accomodation, these credentials should report as expired.
    credentials.expiry = _helpers.utcnow()

    assert not credentials.valid
    assert credentials.expired


def test_before_request():
    credentials = CredentialsImpl()
    request = "token"
    headers = {}

    # First call should call refresh, setting the token.
    credentials.before_request(request, "http://example.com", "GET", headers)
    assert credentials.valid
    assert credentials.token == "token"
    assert headers["authorization"] == "Bearer token"
    assert "x-allowed-locations" not in headers

    request = "token2"
    headers = {}

    # Second call shouldn't call refresh.
    credentials.before_request(request, "http://example.com", "GET", headers)
    assert credentials.valid
    assert credentials.token == "token"
    assert headers["authorization"] == "Bearer token"
    assert "x-allowed-locations" not in headers


def test_before_request_with_trust_boundary():
    DUMMY_BOUNDARY = "0xA30"
    credentials = CredentialsImpl()
    credentials._trust_boundary = {"locations": [], "encoded_locations": DUMMY_BOUNDARY}
    request = "token"
    headers = {}

    # First call should call refresh, setting the token.
    credentials.before_request(request, "http://example.com", "GET", headers)
    assert credentials.valid
    assert credentials.token == "token"
    assert headers["authorization"] == "Bearer token"
    assert headers["x-allowed-locations"] == DUMMY_BOUNDARY

    request = "token2"
    headers = {}

    # Second call shouldn't call refresh.
    credentials.before_request(request, "http://example.com", "GET", headers)
    assert credentials.valid
    assert credentials.token == "token"
    assert headers["authorization"] == "Bearer token"
    assert headers["x-allowed-locations"] == DUMMY_BOUNDARY


def test_before_request_metrics():
    credentials = CredentialsImplWithMetrics()
    request = "token"
    headers = {}

    credentials.before_request(request, "http://example.com", "GET", headers)
    assert headers["x-goog-api-client"] == "foo"


def test_anonymous_credentials_ctor():
    anon = credentials.AnonymousCredentials()
    assert anon.token is None
    assert anon.expiry is None
    assert not anon.expired
    assert anon.valid


def test_anonymous_credentials_refresh():
    anon = credentials.AnonymousCredentials()
    request = object()
    with pytest.raises(ValueError):
        anon.refresh(request)


def test_anonymous_credentials_apply_default():
    anon = credentials.AnonymousCredentials()
    headers = {}
    anon.apply(headers)
    assert headers == {}
    with pytest.raises(ValueError):
        anon.apply(headers, token="TOKEN")


def test_anonymous_credentials_before_request():
    anon = credentials.AnonymousCredentials()
    request = object()
    method = "GET"
    url = "https://example.com/api/endpoint"
    headers = {}
    anon.before_request(request, method, url, headers)
    assert headers == {}


class ReadOnlyScopedCredentialsImpl(credentials.ReadOnlyScoped, CredentialsImpl):
    @property
    def requires_scopes(self):
        return super(ReadOnlyScopedCredentialsImpl, self).requires_scopes


def test_readonly_scoped_credentials_constructor():
    credentials = ReadOnlyScopedCredentialsImpl()
    assert credentials._scopes is None


def test_readonly_scoped_credentials_scopes():
    credentials = ReadOnlyScopedCredentialsImpl()
    credentials._scopes = ["one", "two"]
    assert credentials.scopes == ["one", "two"]
    assert credentials.has_scopes(["one"])
    assert credentials.has_scopes(["two"])
    assert credentials.has_scopes(["one", "two"])
    assert not credentials.has_scopes(["three"])


def test_readonly_scoped_credentials_requires_scopes():
    credentials = ReadOnlyScopedCredentialsImpl()
    assert not credentials.requires_scopes


class RequiresScopedCredentialsImpl(credentials.Scoped, CredentialsImpl):
    def __init__(self, scopes=None, default_scopes=None):
        super(RequiresScopedCredentialsImpl, self).__init__()
        self._scopes = scopes
        self._default_scopes = default_scopes

    @property
    def requires_scopes(self):
        return not self.scopes

    def with_scopes(self, scopes, default_scopes=None):
        return RequiresScopedCredentialsImpl(
            scopes=scopes, default_scopes=default_scopes
        )


def test_create_scoped_if_required_scoped():
    unscoped_credentials = RequiresScopedCredentialsImpl()
    scoped_credentials = credentials.with_scopes_if_required(
        unscoped_credentials, ["one", "two"]
    )

    assert scoped_credentials is not unscoped_credentials
    assert not scoped_credentials.requires_scopes
    assert scoped_credentials.has_scopes(["one", "two"])


def test_create_scoped_if_required_not_scopes():
    unscoped_credentials = CredentialsImpl()
    scoped_credentials = credentials.with_scopes_if_required(
        unscoped_credentials, ["one", "two"]
    )

    assert scoped_credentials is unscoped_credentials